SSC MTS EXAM

Detailed explanation-1: -Gravity is a force of attraction between masses. It provides the centripetal force needed to keep a satellite in orbit around a planet, or a planet in orbit around a star such as the Sun.

Detailed explanation-2: -The force of gravity does not change the speed of a satellite in circular orbit as the force is required to change the direction of motion of the satellite. A satellite undergoes uniform circular motion during which it travels around a circle with a constant speed.

Detailed explanation-3: -Gravity is what holds the planets in orbit around the sun and what keeps the moon in orbit around Earth. The gravitational pull of the moon pulls the seas towards it, causing the ocean tides. Gravity creates stars and planets by pulling together the material from which they are made.